700623977 has 4 divisors (see below), whose sum is σ = 700835796. Its totient is φ = 700412160.

The previous prime is 700623967. The next prime is 700624003. The reversal of 700623977 is 779326007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 779326007 = 137 ⋅5688511.

It can be written as a sum of positive squares in 2 ways, for example, as 294843241 + 405780736 = 17171^2 + 20144^2 .

It is a cyclic number.

It is not a de Polignac number, because 700623977 - 2¹⁸ = 700361833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (700623967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100868 + ... + 107589.

It is an arithmetic number, because the mean of its divisors is an integer number (175208949).

Almost surely, 2^700623977 is an apocalyptic number.

It is an amenable number.

700623977 is a deficient number, since it is larger than the sum of its proper divisors (211819).

700623977 is a wasteful number, since it uses less digits than its factorization.

700623977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211818.

The product of its (nonzero) digits is 111132, while the sum is 41.

The square root of 700623977 is about 26469.3025408680. The cubic root of 700623977 is about 888.1677479980.

The spelling of 700623977 in words is "seven hundred million, six hundred twenty-three thousand, nine hundred seventy-seven".